CN201863152U

CN201863152U - Sleeve-type pull rod movable wrench

Info

Publication number: CN201863152U
Application number: CN2010206033379U
Authority: CN
Inventors: 张影
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-11-12
Filing date: 2010-11-12
Publication date: 2011-06-15
Anticipated expiration: 2020-11-12

Abstract

The utility model relates to a movable wrench, in particular to a novel fast-operation movable wrench which is formed by utilizing a sleeve and a built-in pull rod in a matching manner. The movable wrench is characterized in that the pull rod is arranged in the sleeve, and a wrench hook which can operate the pull rod to move in the sleeve; one end of the pull rod and one end of the sleeve are respectively provided with a clamping block for clamping a fastening piece to rotate, and the other end of the pull rod is provided with an elastic mechanism capable of leading the pull rod to move in the sleeve in a reciprocating manner; and the other end of the sleeve is provided with an openable nut mechanism, and the openable nut mechanism is matched and positioned with a screw rod arranged on the pull rod. In the sleeve-type pull rod movable wrench, the pull rod clamps a nut quickly under the action of a spring, and then is locked by an openable nut to lead the pull rod and the sleeve to form a whole so as to achieve a function of disassembling and assembling the nut, therefore, the sleeve-type pull rod movable wrench is more convenient, flexible, practical and reliable.

Description

Bushing type pull bar monkey wrench

Technical field

The utility model relates to a kind of monkey wrench, refers in particular to utilize sleeve pipe and built-in pull bar to cooperate the monkey wrench of the novel sharp work that forms.

Background technology

Monkey wrench is a kind of common power tool, and the dismounting of securing member usually will be used it.Because one can be fit to the dismounting of multiple securing member within the specific limits to monkey wrench, thus from versatility than fork spanner with to overlap spanner stronger more flexible.Still when the unknown has promptly had adjustable wrench to be in use to now always, but does not see have new face to occur always.Its action principle of adjustable wrench is exactly to utilize the transmission and the auto-lock function of screw thread.Handy but the handy thing of used adjustable wrench is not necessarily perfect.One of monkey wrench deficiency is that what blocking of securing member leaned on is manually to turn, and it two is must release to turn a lower angle and insert and can continue operation after spanner is with angle of securing member switching.Tight inadequately and cause spanner to skid and the square toes of nut are pulled the garden to the mounting board of nut manually often in actual job.But the mounting board tension again inconvenient spanner pull and push operation.

Summary of the invention

The purpose of this utility model is improved, is innovated at shortcoming that exists in the background technology and problem, and a kind of convenience, flexible, reliable, practical bushing type pull bar monkey wrench are provided.

The technical solution of the utility model is:

Pull bar is arranged in the sleeve pipe, and can operate the hook of pulling that pull bar moves in the jacket exterior setting in sleeve pipe;

One end of pull bar and sleeve pipe is provided for the fixture block of clamping securing member rotation, the elastic mechanism that the setting of the pull bar other end can make pull bar move back and forth in sleeve pipe;

But the nut body of the other end setting folding of described sleeve pipe, but and the nut body of folding cooperate the location with screw rod on being arranged on pull bar.

The utility model has following advantage and beneficial effect:

What the utility model adopted is pull bar snap-in anchor nut under the effect of spring, by a clasp nut pull bar is pinned then, and it is whole to reach the function of its dismounting nut that pull bar and sleeve pipe are formed, and it is reliable to make it the convenient flexible practicality of the utility model.

Description of drawings

Accompanying drawing is an assembly structure figure of the present utility model.

1. pull bars among the figure; 2. sleeve pipe; 3. pull hook; 4. clasp nut spring; 5. clasp nut is held piece (bakelite or polyvinyl fluoride); 6. connecting bolt; 7. clasp nut; 8. spring; 9. fairlead (poly-4F ethene); 10. junction of the edges of two sheets of paper screw.

The specific embodiment

By accompanying drawing as can be known, pull bar 1 is arranged in the sleeve pipe 2, and pulls hook 3 what sleeve pipe 2 outer setting can operate that pull bar 1 moves in sleeve pipe 2;

One end setting of pull bar 1 and sleeve pipe 2 is used the fixture block with the rotation of clamping securing member, the elastic mechanism that pull bar 1 other end setting can make pull bar 1 move back and forth in sleeve pipe 2;

But the nut body 7 of the other end setting folding of described sleeve pipe 2, but and the nut body 7 of folding cooperate the location with screw rod on being arranged on pull bar 1.

Describedly pull the axial groove that hook 3 passes sleeve pipe 2 one sides, be fixed on a side of pull bar 1.

But the nut body 7 of described folding comprises the nut of splitting, and the clasp nut that is arranged on the nut both sides holds piece 5, with nut with hold piece 5 and be fixedly coupled bolt 6, and is arranged on the clasp nut spring 4 of nut both sides.

Described elastic mechanism comprises the fairlead 9 that is arranged on the spring 8 on the pull bar 1 terminal polished rod and is arranged on sleeve pipe 2 ends, and polished rod movably is arranged in the fairlead 9.

The Assembly And Disassembly of the utility model spanner:

Pull bar is not adorned earlier and is pulled hook, and directly the microcephaly from sleeve pipe inserts, and dress is pulled hook, clasp nut, spring and adorned fairlead and junction of the edges of two sheets of paper screw at last successively then.Prevent that pull rod shaft from pulling hook control to deviating to rely on fully with self rotation.As long as otherwise spanner to dismantle to back-out and pull hook, pull bar just can have been extracted out from the microcephaly of sleeve pipe.

Process structure of the present utility model:

The functional purpose of the utility model spanner is by realizing as lower member.Be built in the sleeve pipe pull bar by intensity preferably round steel make, the one end is processed into fine thread, is screwed into the monolateral fixture block of similar existing monkey wrench fixed jaw then, the plug welding polishing makes it to become with pull bar integral body.Pull bar can be divided into three sections by size, forms excessive the cooperation by the fixture block end with casing inner diameter, requires size accurate, highly polished as the location benchmark.Interlude is the polished rod and the section of being threadedly engaged with, and the polished rod external diameter can be made even with major diameter of thread, can not adopt the coarse processing of free tolerance because of it does not contact with any workpiece.Thread segment is and the corresponding one section fine thread of clasp nut.Precision hardness requires high relatively.End is that the guiding to spring works and prevents pull bar pull bar when people hold clasp nut with a firm grip from causing bending and the guide post that is provided with.The fairlead endoporus that the size of guide post and engineering plastics are made forms interference fits, and fineness requires suitably higher.The pull bar bottom is installed a trigger-type and is pulled hook spare, people pull and draw it to overcome spring tension and the mounting board nut, during work it at the axial groove Nei Suola of sleeve pipe, the one, determine the maximum open of spanner, the 2nd, prevent that pull bar from dropping out in sleeve pipe, the 3rd, prevent that pull bar from rotating in sleeve pipe.Spring select for use small bore elasticity on the weak side for well, so that people's hook is not hard when drawing.The fairlead of spanner least significant end is made with the tetrafluoroethene material, and the purpose that its exists is that the pull bar end causes and causes flexural deformation when preventing that clasp nut from mediating, and also is to stop the ejection of spring and spring is played the elastic force regulating action in addition.Its external diameter is that screw thread and tube ends match.Fix it with junction of the edges of two sheets of paper screw at last.Overlap effective heavy wall carbon steel pipe car system, opposed fixture block on end welding and the pull bar forms a moving quiet fixture block with it.Divide casing inner diameter can be divided into two steps by size, one accurate, highly polished with pull bar interference fits requirement size; The other end does not have the fit dimension internal diameter and can directly be got out by lengthening drill bit, and end is a bit of to match with 4F fairlead internal diameter, and the gap is movingly less than normal.Connect an elongated groove dress under the sleeve pipe cylindrical and pull hook spare, the size length of this groove has determined the openings of sizes of spanner.Pulling in the middle of hook and the fairlead, sleeve pipe symmetry up and down respectively mills an elongated slot, so that also can prop up the rear end of elongated slot when making the clasp nut of each piece up and down block screw thread on the pull bar by slotted eye, with the thrust of transmitting and bearing pull bar.Of paramount importance is clasp nut, and it is to half-open and be linked to be oblong-shaped, so that can compress into ejection freely in the groove of sleeve pipe by holistic round nut.Clasp nut is inlayed the engineering plastics handle piece of a good hand touch outward, gets out four little springs on this unit of plastic and lives four springs that bore on hole and the sleeve pipe surely firmly the hole is corresponding surely.Four little springs are contained in and cooperate clasp nut to produce the opening and closing effect between clasp nut and the sleeve pipe.

Using method of the present utility model:

Under the elastic force effect of the pull bar of this spanner in sleeve pipe, usual opening is in normally open.When wanting the dismounting nut, pick up the spanner that opens mouthful and above nut, overlap and also can stick into from the side.Pull subsequently and pull mobile backward the foreign side of hook (the weak nothing of spring force costs much strength) pull bar until the mounting board jack panel, the clasp nut of soon holding with a firm grip coincide the screw thread on its threaded portion and the pull bar, at this moment pull bar axial displacement has limited extremely, promptly form integral body, as long as can twist an angle just at this moment pull sleeve nut with sleeve pipe.Spanner need not to extract out after turning over an angle, as long as unclamp clasp nut and pull hook, the dehiscing of spanner magnified under spring action, take advantage of a situation and lift socket wrench and promptly turn over an angle, repeat fastening subsequently and pull the hook and the action of holding clasp nut with a firm grip, people just can be fast freely with the securing member dismounting.

Embodiment described in the utility model only is the description that preferred implementation of the present utility model is carried out; be not that the utility model design and scope are limited; under the prerequisite that does not break away from the utility model design philosophy; engineers and technicians make the technical solution of the utility model in this area various modification and improvement; all should fall into protection domain of the present utility model; the technology contents that the utility model is asked for protection all is documented in claims.

Claims

1. bushing type pull bar monkey wrench is characterized in that comprising:

Pull bar (1) is arranged in the sleeve pipe (2), and pulls hook (3) what sleeve pipe (2) outer setting can operate that pull bar (1) moves in sleeve pipe (2);

One end of pull bar (1) and sleeve pipe (2) is provided for the fixture block of clamping securing member rotation, the elastic mechanism that pull bar (1) other end setting can make pull bar (1) move back and forth in sleeve pipe (2);

Described sleeve pipe (2) but the nut body (7) of other end setting folding, but and the nut body of folding (7) cooperate the location with screw rod on being arranged on pull bar (1).

2. bushing type pull bar monkey wrench according to claim 1 is characterized in that the described hook (3) of pulling passes the axial groove of sleeve pipe (2) one sides, is fixed on a side of pull bar (1).

3. bushing type pull bar monkey wrench according to claim 1, but the nut body (7) that it is characterized in that described folding comprises the nut of splitting, and the clasp nut that is arranged on the nut both sides is held piece (5), with nut with hold piece (5) and be fixedly coupled bolt (6), and be arranged on the clasp nut spring (4) of nut both sides.

4. bushing type pull bar monkey wrench according to claim 1, it is characterized in that described elastic mechanism comprises the spring (8) that is arranged on the terminal polished rod of pull bar (1), with the fairlead (9) that is arranged on sleeve pipe (2) end, and polished rod movably is arranged in the fairlead (9).